18:48:18 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'bb'
in plugin BigBrother v1.10.1-SNAPSHOT
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:37)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:12
9)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:3
20)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.
java:713)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:677)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:670)
        at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:85)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:451)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range:
 4
        at java.lang.String.substring(Unknown Source)
        at me.taylorkelly.util.TimeParser.parseTime(TimeParser.java:41)
        at me.taylorkelly.bigbrother.rollback.RollbackInterpreter.<init>(Rollbac
kInterpreter.java:45)
        at me.taylorkelly.bigbrother.commands.RollbackCommand.onCommand(Rollback
Command.java:26)
        at me.taylorkelly.bigbrother.BBCommand.onCommand(BBCommand.java:57)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
        ... 12 more